At Room Temperature KT Is About 0

question 26

Multiple Choice

At room temperature kT is about 0.0259 eV. The probability that a state 0.50 eV below the Fermi level is unoccupied at room temperature is:

• A) 1
• B) 0.05
• C) 0.025
• D) 5.0 * 10^-6
• E) 4.1 * 10^-9

---

Definitions:

Total Surplus

The sum of consumer surplus and producer surplus in a market, representing the total benefits to society from the trading of goods or services.

Equilibrium Price

The market price at which the quantity of a good demanded equals the quantity supplied, leading to a stable market condition.

Equilibrium Quantity

The quantity of goods or services supplied is equal to the quantity demanded at the market equilibrium price.

Consumer Surplus

The contrast between the aggregate amount buyers are willing to shell out for a good or service and the total they actually do.